EN 10083-2 Grade C45 quenched (+Q)
EN 10083-2 Grade C45 quenched (+Q) introduction
Steel C45 is suitable for standard stress components in vehicle manufacturing, engine and machine engineering (e.g. gear shafts, gear wheels, clutch parts).
Equivalent material: GB 45, GB U20452, IS 45C8, ISO C45, JIS S45C, KS SM45C, GOST 45, ASTM A29 Grade 1045, ASTM A510 Grade 1045, ASTM A576 Grade 1045, ASTM A827 Grade 1045, UNS G10450, SAE 1045, EN 1.0503, ASTM A830 Grade 1045, DIN 1.0503, DIN GS-C45, DIN C45, AFNOR C45, BS 080M46, UNI C45, SS 1650, UNE F.114, AISI 1045, AISI 1043, SAE 1043, JIS S45CM, EN 2C45, ISO CS45, GB/T 45, GB/T U20452, ASTM Grade 1045, UNS G10430, IS C45
EN 10083-2 Grade C45 quenched (+Q) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.8 - 7.85 g/cm³ |
EN 10083-2 Grade C45 quenched (+Q) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.08E-5 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.19E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.11E-5 - 1.25E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.21E-5 - 1.3E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.29E-5 - 1.36E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.35E-5 - 1.41E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.45E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.49E-5 1/K |
- |
| Max service temperature |
- |
Max service temperature of 500 °C |
Typical for Carbon Steel |
| Melting point |
- |
Melting point of 1380 - 1514 °C |
Typical for Medium Carbon Steel |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 423 J/(kg·K) |
- |
| - |
20.0 °C |
Specific heat capacity of 461 - 480 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 - 500 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 - 550 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 - 590 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 536 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 558 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 587 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 41.7 - 52 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 43.4 - 50.6 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 43.2 - 48.1 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 41.4 - 45.7 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 39.1 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 36.7 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 34.1 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 11.6 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 11.3 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 10.5 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9.5 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.3 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.1 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 5.8 mm²/s |
- |
EN 10083-2 Grade C45 quenched (+Q) chemical
| Property |
Value |
| Carbon |
Carbon of 0.42 - 0.5 % |
| Chromium |
Chromium of 0.4 % |
| Copper |
Copper of 0.3 % |
| Manganese |
Manganese of 0.5 - 0.8 % |
| Molybdenum |
Molybdenum of 0.1 % |
| Nickel |
Nickel of 0.4 % |
| Phosphorus |
Phosphorus of 0.05 % |
| Silicon |
Silicon of 0.1 - 0.4 % |
| Sulfur |
Sulfur of 0.045 % |
EN 10083-2 Grade C45 quenched (+Q) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.2E-7 - 2.5E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.95E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.65E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.53E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.56E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.74E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.13E-7 Ω·m |
EN 10083-2 Grade C45 quenched (+Q) mechanical
| Property |
Temperature |
Value |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
| - |
20.0 °C |
Elastic modulus of 210 - 212 GPa |
| - |
100.0 °C |
Elastic modulus of 205 - 207 GPa |
| - |
200.0 °C |
Elastic modulus of 195 - 199 GPa |
| - |
300.0 °C |
Elastic modulus of 185 - 192 GPa |
| - |
400.0 °C |
Elastic modulus of 175 - 184 GPa |
| - |
500.0 °C |
Elastic modulus of 173.19 - 175 GPa |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
| Hardness, Vickers |
20.0 °C |
Hardness, Vickers of 560 [-] |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
| - |
100.0 °C |
Poisson's ratio of 0.28 [-] |
| - |
200.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
300.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
400.0 °C |
Poisson's ratio of 0.3 [-] |
| - |
500.0 °C |
Poisson's ratio of 0.3 [-] |
| Shear modulus |
20.0 °C |
Shear modulus of 81 - 82.04 GPa |
| - |
100.0 °C |
Shear modulus of 80.03 GPa |
| - |
200.0 °C |
Shear modulus of 77.09 GPa |
| - |
300.0 °C |
Shear modulus of 74.16 GPa |
| - |
400.0 °C |
Shear modulus of 70.76 GPa |
| - |
500.0 °C |
Shear modulus of 66.74 GPa |
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